Finding the Fourth Proportional to 1,895,926.70, 2,617,748.79 and 1,171,767.26
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Solution
The fourth proportional to 1,895,926.70, 2,617,748.79 and 1,171,767.26 is: 1,617,885.50
Step by Step Solution
- Step 1: Write the proportion equation
1,895,926.70 : 2,617,748.79 = 1,171,767.26 : x - Step 2: Convert to fraction form
1,895,926.70/2,617,748.79 = 1,171,767.26/x - Step 3: Cross multiply
1,895,926.70x = 2,617,748.79 × 1,171,767.26 - Step 4: Simplify right side
1,895,926.70x = 3,067,392,329,176.86 - Step 5: Solve for x
x = 3,067,392,329,176.86/1,895,926.70 - Step 6: Final answer
x = 1,617,885.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.